78145806448622 has 8 divisors (see below), whose sum is σ = 127874956006872. Its totient is φ = 35520821113000.

The previous prime is 78145806448601. The next prime is 78145806448637. The reversal of 78145806448622 is 22684460854187.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78145806448622² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776041055629 + ... + 1776041055672.

It is an arithmetic number, because the mean of its divisors is an integer number (15984369500859).

Almost surely, 2^{78145806448622} is an apocalyptic number.

78145806448622 is a deficient number, since it is larger than the sum of its proper divisors (49729149558250).

78145806448622 is a wasteful number, since it uses less digits than its factorization.

78145806448622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552082111314.

The product of its (nonzero) digits is 165150720, while the sum is 65.

The spelling of 78145806448622 in words is "seventy-eight trillion, one hundred forty-five billion, eight hundred six million, four hundred forty-eight thousand, six hundred twenty-two".